#ifndef _TDBIMPBASE_H__
#define _TDBIMPBASE_H__

#if _MSC_VER > 1000
#pragma once
#endif

class TDbImpBase  
{
public:
			 TDbImpBase();
	virtual ~TDbImpBase();

protected:

	// ½Ó¿ÚÃèÊö¶ÔÏó
	virtual BOOL GetInterface(int nIndex,TInterface& pipeInterface) const;
	
	virtual BOOL GetInterface(const AcGePoint3d& ptCon,TInterface& pipeInterface) const;

	virtual int	 GetInterfaceCount() const;

protected:

	BOOL UpdateInterfaceRec(const AcDbObjectId& idOwner,const AcGeMatrix3d& xform,AcGePoint3d* ppOld = NULL);

	BOOL UpdateInterfaceRec(const AcDbObjectId& idOwner,const AcGePoint3d ptGeOld,const AcGePoint3d& ptGeNew);
};

#endif //_TDBIMPBASE_H__